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$788+ Cheap flights from Cardiff (CWL) to Massachusetts

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BOS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Cardiff to Massachusetts

Cheapest flights from Cardiff to Massachusetts
Explore the most affordable flight options available from Cardiff to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:35 am
CWL
-
BOS
1 stop16h 03m
Multiple Airlines
Mon 6/295:45 am
BOS
-
CWL
2 stops23h 30m
Multiple Airlines
Deal found 2/2$788
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:20 am
CWL
-
BOS
2 stops24h 55m
KLM
Thu 3/269:05 am
BOS
-
CWL
2 stops44h 45m
KLM
Deal found 2/2$807
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am
CWL
-
BOS
1 stop13h 45m
KLM
Wed 9/168:25 pm
BOS
-
CWL
1 stop15h 20m
KLM
Deal found 2/2$810
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am
CWL
-
BOS
2 stops17h 51m
Delta
Wed 9/1611:00 am
BOS
-
CWL
2 stops17h 15m
Delta
Deal found 2/2$813
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 pm
CWL
-
BOS
1 stop30h 15m
KLM
Thu 5/149:05 am
BOS
-
CWL
2 stops43h 10m
KLM
Deal found 2/2$839
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 pm
CWL
-
BOS
1 stop21h 05m
Multiple Airlines
Thu 5/149:15 pm
BOS
-
CWL
1 stop20h 05m
Multiple Airlines
Deal found 2/2$851
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:25 pm
CWL
-
BOS
1 stop24h 55m
Multiple Airlines
Thu 3/268:10 pm
BOS
-
CWL
1 stop9h 40m
Multiple Airlines
Deal found 2/2$922
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:25 am
CWL
-
BOS
1 stop17h 35m
Multiple Airlines
Sat 6/1311:30 pm
BOS
-
CWL
1 stop16h 50m
Multiple Airlines
Deal found 2/1$1,046

Find flight deals from Cardiff to Massachusetts

Keep the following information in mind while searching for Cardiff to Massachusetts flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$788
(Trip.com)

Popular in

August

Cheapest in

June
Provider with most accurate pricing for Cardiff Wales-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cardiff Wales-Boston Logan Intl flights.
Search Deals
From Cardiff Wales to Massachusetts
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to Massachusetts that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Cardiff to Massachusetts that are best for you.

Fly from

Cardiff

Fly to

Massachusetts

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 6/20

11:35 am-9:27 pm

2 stops14h 52m

Boston Logan Intl

Mon 6/29

5:45 am-10:15 am

2 stops23h 30m

$791

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/19

10:20 am-7:15 am

2 stops24h 55m

Boston Logan Intl

Thu 3/26

9:05 am-9:50 am

2 stops44h 45m

$807

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 5/7

5:15 pm-6:30 pm

1 stop30h 15m

Boston Logan Intl

Thu 5/14

9:05 am-9:15 am

2 stops43h 10m

$839

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Thu 3/19

5:25 pm-2:20 pm

1 stop24h 55m

Boston Logan Intl

Thu 3/26

8:10 pm-9:50 am

1 stop9h 40m

$922

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 5/30

5:35 pm-6:30 pm

1 stop29h 55m

Boston Logan Intl

Sat 6/13

8:00 pm-4:45 pm

2 stops39h 45m

$1,102

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 5/30

5:35 pm-3:00 pm

2 stops50h 25m

Boston Logan Intl

Sat 6/13

5:10 am-9:15 am

2 stops23h 05m

$1,165

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/20

8:35 am-10:55 pm

2 stops18h 20m

Boston Logan Intl

Fri 3/27

8:30 am-11:30 am

2 stops23h 00m

$1,183

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 3/20

10:20 am-7:15 am

2 stops24h 55m

Boston Logan Intl

Fri 3/27

8:10 pm-8:15 am

1 stop32h 05m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Cardiff to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Cardiff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Massachusetts

What is the cheapest month to book a flight from Cardiff to Massachusetts?

Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $482). Flying from Cardiff to Massachusetts in April is currently the most expensive (average of $624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Massachusetts?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Massachusetts from Cardiff.

  • How long is the flight from Cardiff to Massachusetts?

    KLM can get you from Cardiff to Massachusetts in just under 24h 55m. Your travel time can differ by up to . Airlines will cover a distance of 3137 mi.

  • Can I find deals for flights from Cardiff to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Cardiff to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Massachusetts.

  • Can I find deals for business class flights from Cardiff to Massachusetts?

    Yes. Cheapflights offers flight deals from Cardiff to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Massachusetts?

    Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $482). Flying from Cardiff to Massachusetts in April is currently the most expensive (average of $624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.
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